What Is the Electron Configuration for the Co²⁺ Ion

question 144

Multiple Choice

What is the electron configuration for the Co²⁺ ion?

• A)[Ar]4s¹3d⁶
• B)[Ar]3d⁷
• C)[Ar]3d⁵
• D)[Ar]4s²3d⁹
• E)[Ne]3s²3p¹⁰

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